import numpy as np

a = [0.7786, 0.780, 0.7399, 0.772,  0.725,0.753]

a_mean = np.mean(a)  # 求均值
a_std = np.std(a)  # 求标准差

print("平均值为：%f" % a_mean)
print("标准差为:%f" % a_std)

pass
